Finding the Third Proportional to 548,064 and 1,200,864

Step by Step Solution

1. Step 1: Write the proportion equation
   548,064 : 1,200,864 = 1,200,864 : x
2. Step 2: Convert to fraction form
   548,064/1,200,864 = 1,200,864/x
3. Step 3: Cross multiply
   548,064x = 1,200,864 × 1,200,864
4. Step 4: Simplify right side
   548,064x = 1,442,074,346,496
5. Step 5: Solve for x
   x = 1,442,074,346,496/548,064
6. Step 6: Final answer
   x = 2,631,215.23